1.Fully compatible with interface extension for arduino .
2.Communication through I2C, address can be modified.
3.Can be connected 2 servos, output PWM drive.
4.You can connect up to four DC brush motors or two 4-wire stepper motor.
5.Use the TB6612FNG motor driver chip, 1.2A drive capability, peak 3.2A, with thermal shutdown protection, internal kickback protection diodes. Can run motors on 4.5VDC to 13.5VDC.